Your search for "c9400-lc-48t" revealed the following:
NEW Cisco C9400-LC-48T Catalyst 9400 48x 1GB RJ45 Switch Line Card
SKU: NSN-4234
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 2,819.99
• Only 1 remaining
Call if you need more
Cisco C9400-LC-48T Catalyst 9400 48x 1GB RJ-45 Switch Line Card
SKU: NSH-7055
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 587.99
• 5 in stock
Call if you need more